[evolution] ews-I#153 - ECompEditor: Add API to get property parts

[Milan Crha <mcrha src gnome org>]

commit a328e9eff89aca6f182429327232e6b73802a67e
Author: Milan Crha <mcrha redhat com>
Date:   Fri Sep 16 09:18:10 2022 +0200

    ews-I#153 - ECompEditor: Add API to get property parts
    
    That can be used to modify the parts as needed by the extensions.
    
    Related to https://gitlab.gnome.org/GNOME/evolution-ews/-/issues/153

 src/calendar/gui/e-comp-editor-page.c | 33 +++++++++++++++++++++++++++++++++
 src/calendar/gui/e-comp-editor-page.h |  3 +++
 src/calendar/gui/e-comp-editor.c      | 22 ++++++++++++++++++++++
 src/calendar/gui/e-comp-editor.h      |  3 +++
 4 files changed, 61 insertions(+)
---
diff --git a/src/calendar/gui/e-comp-editor-page.c b/src/calendar/gui/e-comp-editor-page.c
index ccfa085e8d..391ca6797e 100644
--- a/src/calendar/gui/e-comp-editor-page.c
+++ b/src/calendar/gui/e-comp-editor-page.c
@@ -286,6 +286,39 @@ e_comp_editor_page_add_property_part (ECompEditorPage *page,
        page->priv->parts = g_slist_append (page->priv->parts, ppd);
 }
 
+ECompEditorPropertyPart *
+e_comp_editor_page_get_property_part (ECompEditorPage *page,
+                                     ICalPropertyKind prop_kind)
+{
+       GSList *link;
+
+       g_return_val_if_fail (E_IS_COMP_EDITOR_PAGE (page), NULL);
+
+       for (link = page->priv->parts; link; link = g_slist_next (link)) {
+               PropertyPartData *ppd = link->data;
+
+               if (E_IS_COMP_EDITOR_PROPERTY_PART_STRING (ppd->part)) {
+                       ECompEditorPropertyPartStringClass *klass = 
E_COMP_EDITOR_PROPERTY_PART_STRING_GET_CLASS (ppd->part);
+                       if (klass->prop_kind == prop_kind)
+                               return ppd->part;
+               }
+
+               if (E_IS_COMP_EDITOR_PROPERTY_PART_DATETIME (ppd->part)) {
+                       ECompEditorPropertyPartDatetimeClass *klass = 
E_COMP_EDITOR_PROPERTY_PART_DATETIME_GET_CLASS (ppd->part);
+                       if (klass->prop_kind == prop_kind)
+                               return ppd->part;
+               }
+
+               if (E_IS_COMP_EDITOR_PROPERTY_PART_SPIN (ppd->part)) {
+                       ECompEditorPropertyPartSpinClass *klass = E_COMP_EDITOR_PROPERTY_PART_SPIN_GET_CLASS 
(ppd->part);
+                       if (klass->prop_kind == prop_kind)
+                               return ppd->part;
+               }
+       }
+
+       return NULL;
+}
+
 void
 e_comp_editor_page_sensitize_widgets (ECompEditorPage *page,
                                      gboolean force_insensitive)
diff --git a/src/calendar/gui/e-comp-editor-page.h b/src/calendar/gui/e-comp-editor-page.h
index b104efb025..d6198acde7 100644
--- a/src/calendar/gui/e-comp-editor-page.h
+++ b/src/calendar/gui/e-comp-editor-page.h
@@ -82,6 +82,9 @@ void          e_comp_editor_page_add_property_part    (ECompEditorPage *page,
                                                         gint attach_top,
                                                         gint attach_width,
                                                         gint attach_height);
+ECompEditorPropertyPart *
+               e_comp_editor_page_get_property_part    (ECompEditorPage *page,
+                                                        ICalPropertyKind prop_kind);
 void           e_comp_editor_page_sensitize_widgets    (ECompEditorPage *page,
                                                         gboolean force_insensitive);
 void           e_comp_editor_page_fill_widgets         (ECompEditorPage *page,
diff --git a/src/calendar/gui/e-comp-editor.c b/src/calendar/gui/e-comp-editor.c
index 49883a0b24..2192c5f6eb 100644
--- a/src/calendar/gui/e-comp-editor.c
+++ b/src/calendar/gui/e-comp-editor.c
@@ -3413,6 +3413,28 @@ e_comp_editor_get_page (ECompEditor *comp_editor,
        return NULL;
 }
 
+/* The returned pointer is owned by the @comp_editor; returns the first found part,
+   in order of the addition. */
+ECompEditorPropertyPart *
+e_comp_editor_get_property_part (ECompEditor *comp_editor,
+                                ICalPropertyKind prop_kind)
+{
+       GSList *link;
+
+       g_return_val_if_fail (E_IS_COMP_EDITOR (comp_editor), NULL);
+
+       for (link = comp_editor->priv->pages; link; link = g_slist_next (link)) {
+               ECompEditorPage *page = link->data;
+               ECompEditorPropertyPart *part;
+
+               part = e_comp_editor_page_get_property_part (page, prop_kind);
+               if (part)
+                       return part;
+       }
+
+       return NULL;
+}
+
 /* Free the returned GSList with g_slist_free(), the memebers are owned by the comp_editor */
 GSList *
 e_comp_editor_get_pages (ECompEditor *comp_editor)
diff --git a/src/calendar/gui/e-comp-editor.h b/src/calendar/gui/e-comp-editor.h
index 1f262d0591..e8b43c965d 100644
--- a/src/calendar/gui/e-comp-editor.h
+++ b/src/calendar/gui/e-comp-editor.h
@@ -155,6 +155,9 @@ void                e_comp_editor_add_page          (ECompEditor *comp_editor,
 ECompEditorPage *
                e_comp_editor_get_page          (ECompEditor *comp_editor,
                                                 GType page_type);
+ECompEditorPropertyPart *
+               e_comp_editor_get_property_part (ECompEditor *comp_editor,
+                                                ICalPropertyKind prop_kind);
 GSList *       e_comp_editor_get_pages         (ECompEditor *comp_editor);
 void           e_comp_editor_select_page       (ECompEditor *comp_editor,
                                                 ECompEditorPage *page);